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qroverlay: Add a qroverlay element that allows overlaying any data

Browse source 
This moves `gstqroverlay.c` to `gstdebugqroverlay.c` and implements
a simple `gstqroverlay` element.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1730>
This commit is contained in:
Thibault Saunier 2020-07-12 00:03:04 -04:00 committed by GStreamer Merge Bot
parent 7d9f125ab1
commit e7ec9986ca
5 changed files with 387 additions and 201 deletions
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279
ext/qroverlay/gstdebugqroverlay.c Executable file
View file

@ -0,0 +1,279 @@
/*
* GStreamer
* Copyright (C) 2006 Stefan Kost <ensonic@users.sf.net>
* Copyright (c) 2020 Anthony Violo <anthony.violo@ubicast.eu>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/**
* SECTION:element-debugqroverlay
*
* This element will build a Json string that contains a description of the
* buffer and will convert the string to a QRcode. The QRcode contains a
* timestamp, a buffer number, a framerate and some custom extra-data. Each
* frame will have a Qrcode overlaid in the video stream. Some properties are
* available to set the position and to define its size. You can add custom data
* with the properties #debugqroverlay:extra-data-name and
* #debugqroverlay:extra-data-array. You can also define the quality of the Qrcode
* with #debugqroverlay:qrcode-error-correction. You can also define interval and
* span of #debugqroverlay:extra-data-name #debugqroverlay:extra-data-array
*
* ## Example launch line
*
* ``` bash
* gst-launch -v -m videotestsrc ! debugqroverlay ! fakesink silent=TRUE
* ```
*
* Since: 1.20
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gst/gst.h>
#include <gst/base/gstbasetransform.h>
#include <json-glib/json-glib.h>
#include <qrencode.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include "gstdebugqroverlay.h"
GST_DEBUG_CATEGORY_STATIC (gst_debug_qr_overlay_debug);
#define GST_CAT_DEFAULT gst_debug_qr_overlay_debug
static gchar *get_qrcode_content (GstBaseQROverlay * filter,
GstVideoFrame * frame);
enum
{
PROP_0,
PROP_DATA_INTERVAL_BUFFERS,
PROP_DATA_SPAN_BUFFERS,
PROP_EXTRA_DATA_NAME,
PROP_EXTRA_DATA_ARRAY,
};
struct _GstDebugQROverlay
{
GstBaseQROverlay parent;
guint32 frame_number;
guint array_counter;
guint array_size;
guint span_frame;
guint64 extra_data_interval_buffers;
guint64 extra_data_span_buffers;
gchar *extra_data_name;
gchar *extra_data_str;
gchar **extra_data_array;
gfloat x_percent;
gfloat y_percent;
gboolean silent;
gboolean extra_data_enabled;
};
#define DEFAULT_PROP_QUALITY 1
#define DEFAULT_PROP_PIXEL_SIZE 3
#define gst_debug_qr_overlay_parent_class parent_class
G_DEFINE_TYPE (GstDebugQROverlay, gst_debug_qr_overlay,
GST_TYPE_BASE_QR_OVERLAY);
static void gst_debug_qr_overlay_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_debug_qr_overlay_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
/* initialize the qroverlay's class */
static void
gst_debug_qr_overlay_class_init (GstDebugQROverlayClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
GST_DEBUG_CATEGORY_INIT (gst_debug_qr_overlay_debug, "debugqroverlay", 0,
"Qrcode overlay element");
gobject_class->set_property = gst_debug_qr_overlay_set_property;
gobject_class->get_property = gst_debug_qr_overlay_get_property;
g_object_class_install_property (gobject_class,
PROP_DATA_INTERVAL_BUFFERS,
g_param_spec_int64 ("extra-data-interval-buffers",
"extra-data-interval-buffers",
"Extra data append into the Qrcode at the first buffer of each "
" interval", 0, G_MAXINT64, 60, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class,
PROP_DATA_SPAN_BUFFERS, g_param_spec_int64 ("extra-data-span-buffers",
"extra-data-span-buffers",
"Numbers of consecutive buffers that the extra data will be inserted "
" (counting the first buffer)", 0, G_MAXINT64, 1, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class,
PROP_EXTRA_DATA_NAME, g_param_spec_string ("extra-data-name",
"Extra data name",
"Json key name for extra append data", NULL, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class,
PROP_EXTRA_DATA_ARRAY, g_param_spec_string ("extra-data-array",
"Extra data array",
"List of comma separated values that the extra data value will be "
" cycled from at each interval, example array structure :"
" \"240,480,720,960,1200,1440,1680,1920\"", NULL, G_PARAM_READWRITE));
gst_element_class_set_details_simple (gstelement_class,
"qroverlay",
"Qrcode overlay containing buffer information",
"Overlay Qrcodes over each buffer with buffer information and custom data",
"Anthony Violo <anthony.violo@ubicast.eu>");
gst_type_mark_as_plugin_api (GST_TYPE_BASE_QR_OVERLAY, 0);
GST_BASE_QR_OVERLAY_CLASS (klass)->get_content =
GST_DEBUG_FUNCPTR (get_qrcode_content);
}
/* initialize the new element
* initialize instance structure
*/
static void
gst_debug_qr_overlay_init (GstDebugQROverlay * filter)
{
filter->frame_number = 1;
filter->x_percent = 50.0;
filter->y_percent = 50.0;
filter->array_counter = 0;
filter->array_size = 0;
filter->extra_data_interval_buffers = 60;
filter->extra_data_span_buffers = 1;
filter->span_frame = 0;
}
static void
gst_debug_qr_overlay_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstDebugQROverlay *filter = GST_DEBUG_QR_OVERLAY (object);
switch (prop_id) {
case PROP_DATA_INTERVAL_BUFFERS:
filter->extra_data_interval_buffers = g_value_get_int64 (value);
break;
case PROP_DATA_SPAN_BUFFERS:
filter->extra_data_span_buffers = g_value_get_int64 (value);
break;
case PROP_EXTRA_DATA_NAME:
filter->extra_data_name = g_value_dup_string (value);
break;
case PROP_EXTRA_DATA_ARRAY:
{
g_clear_pointer (&filter->extra_data_str, g_free);
g_clear_pointer (&filter->extra_data_array, g_strfreev);
filter->extra_data_str = g_value_dup_string (value);
if (filter->extra_data_str) {
filter->extra_data_array = g_strsplit (filter->extra_data_str, ",", -1);
filter->array_size = g_strv_length (filter->extra_data_array);
}
break;
}
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_debug_qr_overlay_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstDebugQROverlay *filter = GST_DEBUG_QR_OVERLAY (object);
switch (prop_id) {
case PROP_DATA_INTERVAL_BUFFERS:
g_value_set_int64 (value, filter->extra_data_interval_buffers);
break;
case PROP_DATA_SPAN_BUFFERS:
g_value_set_int64 (value, filter->extra_data_span_buffers);
break;
case PROP_EXTRA_DATA_NAME:
g_value_set_string (value, filter->extra_data_name);
break;
case PROP_EXTRA_DATA_ARRAY:
g_value_set_string (value, filter->extra_data_str);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gchar *
get_qrcode_content (GstBaseQROverlay * base, GstVideoFrame * frame)
{
GstDebugQROverlay *filter = GST_DEBUG_QR_OVERLAY (base);
GstBuffer *buf = frame->buffer;
GString *res = g_string_new (NULL);
JsonGenerator *jgen;
gchar *framerate_string =
g_strdup_printf ("%d/%d", frame->info.fps_n, frame->info.fps_d);
JsonObject *jobj = json_object_new ();
JsonNode *root = json_node_new (JSON_NODE_OBJECT);
json_object_set_int_member (jobj, "TIMESTAMP",
(gint64) GST_BUFFER_TIMESTAMP (buf));
json_object_set_int_member (jobj, "BUFFERCOUNT",
(gint64) filter->frame_number);
json_object_set_string_member (jobj, "FRAMERATE", framerate_string);
json_object_set_string_member (jobj, "NAME", GST_ELEMENT_NAME (filter));
g_free (framerate_string);
if (filter->extra_data_array && filter->extra_data_name &&
(filter->frame_number == 1
|| filter->frame_number % filter->extra_data_interval_buffers == 1
|| (filter->span_frame > 0
&& filter->span_frame < filter->extra_data_span_buffers))) {
json_object_set_string_member (jobj, filter->extra_data_name,
filter->extra_data_array[filter->array_counter]);
filter->span_frame++;
if (filter->span_frame == filter->extra_data_span_buffers) {
filter->array_counter++;
filter->span_frame = 0;
if (filter->array_counter >= filter->array_size)
filter->array_counter = 0;
}
}
jgen = json_generator_new ();
json_node_set_object (root, jobj);
json_generator_set_root (jgen, root);
res = json_generator_to_gstring (jgen, res);
g_object_unref (jgen);
filter->frame_number++;
return g_strdup (g_string_free (res, FALSE));
}

33
ext/qroverlay/gstdebugqroverlay.h Executable file
View file

@ -0,0 +1,33 @@
/*
* GStreamer
* Copyright (C) 2006 Stefan Kost <ensonic@users.sf.net>
* Copyright (c) 2020 Anthony Violo <anthony.violo@ubicast.eu>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_DEBUG_QR_OVERLAY_H__
#define __GST_DEBUG_QR_OVERLAY_H__
#include "gstbaseqroverlay.h"
G_BEGIN_DECLS
#define GST_TYPE_DEBUG_QR_OVERLAY (gst_debug_qr_overlay_get_type())
G_DECLARE_FINAL_TYPE (GstDebugQROverlay, gst_debug_qr_overlay, GST, DEBUG_QR_OVERLAY, GstBaseQROverlay);
G_END_DECLS
#endif /* __GST_DEBUG_QR_OVERLAY_H__ */

262
ext/qroverlay/gstqroverlay.c
View file

@ -2,6 +2,7 @@
* GStreamer
* Copyright (C) 2006 Stefan Kost <ensonic@users.sf.net>
* Copyright (c) 2020 Anthony Violo <anthony.violo@ubicast.eu>
* Copyright (c) 2020 Thibault Saunier <tsaunier@igalia.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
@ -20,17 +21,9 @@
*/
/**
* SECTION:element-debugqroverlay
* SECTION:element-qroverlay
*
* This element will build a Json string that contains a description of the
* buffer and will convert the string to a QRcode. The QRcode contains a
* timestamp, a buffer number, a framerate and some custom extra-data. Each
* frame will have a Qrcode overlaid in the video stream. Some properties are
* available to set the position and to define its size. You can add custom data
* with the properties #qroverlay:extra-data-name and
* #qroverlay:extra-data-array. You can also define the quality of the Qrcode
* with #qroverlay:qrcode-error-correction. You can also define interval and
* span of #qrovlerlay:extra-data-name #qrovlerlay:extra-data-array
* Element to set random data on a qroverlay.
*
* ## Example launch line
*
@ -56,55 +49,64 @@
#include "gstqroverlay.h"
GST_DEBUG_CATEGORY_STATIC (gst_debug_qr_overlay_debug);
#define GST_CAT_DEFAULT gst_debug_qr_overlay_debug
static gchar *get_qrcode_content (GstBaseQROverlay * filter,
GstVideoFrame * frame);
GST_DEBUG_CATEGORY_STATIC (gst_qr_overlay_debug);
#define GST_CAT_DEFAULT gst_qr_overlay_debug
enum
{
PROP_0,
PROP_DATA_INTERVAL_BUFFERS,
PROP_DATA_SPAN_BUFFERS,
PROP_EXTRA_DATA_NAME,
PROP_EXTRA_DATA_ARRAY,
PROP_DATA,
};
struct _GstDebugQROverlay
struct _GstQROverlay
{
GstBaseQROverlay parent;
guint32 frame_number;
guint array_counter;
guint array_size;
guint span_frame;
guint64 extra_data_interval_buffers;
guint64 extra_data_span_buffers;
gchar *extra_data_name;
gchar *extra_data_str;
gchar **extra_data_array;
gfloat x_percent;
gfloat y_percent;
gboolean silent;
gboolean extra_data_enabled;
gchar *data;
};
#define DEFAULT_PROP_QUALITY 1
#define DEFAULT_PROP_PIXEL_SIZE 3
#define gst_qr_overlay_parent_class parent_class
G_DEFINE_TYPE (GstQROverlay, gst_qr_overlay, GST_TYPE_BASE_QR_OVERLAY);
#define gst_debug_qr_overlay_parent_class parent_class
G_DEFINE_TYPE (GstDebugQROverlay, gst_debug_qr_overlay,
GST_TYPE_BASE_QR_OVERLAY);
static gchar *
get_qrcode_content (GstBaseQROverlay * filter, GstVideoFrame * frame)
{
return g_strdup (GST_QR_OVERLAY (filter)->data);
}
static void gst_debug_qr_overlay_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_debug_qr_overlay_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
/* initialize the qroverlay's class */
static void
gst_debug_qr_overlay_class_init (GstDebugQROverlayClass * klass)
gst_qr_overlay_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstQROverlay *self = GST_QR_OVERLAY (object);
switch (prop_id) {
case PROP_DATA:
self->data = g_value_dup_string (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_qr_overlay_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstQROverlay *self = GST_QR_OVERLAY (object);
switch (prop_id) {
case PROP_DATA:
g_value_set_string (value, self->data);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_qr_overlay_class_init (GstQROverlayClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
@ -112,42 +114,22 @@ gst_debug_qr_overlay_class_init (GstDebugQROverlayClass * klass)
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
gobject_class->set_property = gst_debug_qr_overlay_set_property;
gobject_class->get_property = gst_debug_qr_overlay_get_property;
g_object_class_install_property (gobject_class,
PROP_DATA_INTERVAL_BUFFERS,
g_param_spec_int64 ("extra-data-interval-buffers",
"extra-data-interval-buffers",
"Extra data append into the Qrcode at the first buffer of each "
" interval", 0, G_MAXINT64, 60, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class,
PROP_DATA_SPAN_BUFFERS, g_param_spec_int64 ("extra-data-span-buffers",
"extra-data-span-buffers",
"Numbers of consecutive buffers that the extra data will be inserted "
" (counting the first buffer)", 0, G_MAXINT64, 1, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class,
PROP_EXTRA_DATA_NAME, g_param_spec_string ("extra-data-name",
"Extra data name",
"Json key name for extra append data", NULL, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class,
PROP_EXTRA_DATA_ARRAY, g_param_spec_string ("extra-data-array",
"Extra data array",
"List of comma separated values that the extra data value will be "
" cycled from at each interval, example array structure :"
" \"240,480,720,960,1200,1440,1680,1920\"", NULL, G_PARAM_READWRITE));
gobject_class->set_property = gst_qr_overlay_set_property;
gobject_class->get_property = gst_qr_overlay_get_property;
gst_element_class_set_details_simple (gstelement_class,
"qroverlay",
"Qrcode overlay containing buffer information",
"Overlay Qrcodes over each buffer with buffer information and custom data",
"Anthony Violo <anthony.violo@ubicast.eu>");
"Qrcode overlay containing random data",
"Overlay Qrcodes over each buffer with data passed in",
"Thibault Saunier <tsaunier@igalia.com>");
gst_type_mark_as_plugin_api (GST_TYPE_BASE_QR_OVERLAY, 0);
g_object_class_install_property (gobject_class,
PROP_DATA, g_param_spec_string ("data",
"Data",
"Data to write in the QRCode to be overlaid",
NULL,
G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING |
GST_PARAM_CONTROLLABLE));
GST_BASE_QR_OVERLAY_CLASS (klass)->get_content =
GST_DEBUG_FUNCPTR (get_qrcode_content);
@ -157,132 +139,24 @@ gst_debug_qr_overlay_class_init (GstDebugQROverlayClass * klass)
* initialize instance structure
*/
static void
gst_debug_qr_overlay_init (GstDebugQROverlay * filter)
gst_qr_overlay_init (GstQROverlay * filter)
{
filter->frame_number = 1;
filter->x_percent = 50.0;
filter->y_percent = 50.0;
filter->array_counter = 0;
filter->array_size = 0;
filter->extra_data_interval_buffers = 60;
filter->extra_data_span_buffers = 1;
filter->span_frame = 0;
}
static void
gst_debug_qr_overlay_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstDebugQROverlay *filter = GST_DEBUG_QR_OVERLAY (object);
switch (prop_id) {
case PROP_DATA_INTERVAL_BUFFERS:
filter->extra_data_interval_buffers = g_value_get_int64 (value);
break;
case PROP_DATA_SPAN_BUFFERS:
filter->extra_data_span_buffers = g_value_get_int64 (value);
break;
case PROP_EXTRA_DATA_NAME:
filter->extra_data_name = g_value_dup_string (value);
break;
case PROP_EXTRA_DATA_ARRAY:
{
g_clear_pointer (&filter->extra_data_str, g_free);
g_clear_pointer (&filter->extra_data_array, g_strfreev);
filter->extra_data_str = g_value_dup_string (value);
if (filter->extra_data_str) {
filter->extra_data_array = g_strsplit (filter->extra_data_str, ",", -1);
filter->array_size = g_strv_length (filter->extra_data_array);
}
break;
}
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_debug_qr_overlay_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstDebugQROverlay *filter = GST_DEBUG_QR_OVERLAY (object);
switch (prop_id) {
case PROP_DATA_INTERVAL_BUFFERS:
g_value_set_int64 (value, filter->extra_data_interval_buffers);
break;
case PROP_DATA_SPAN_BUFFERS:
g_value_set_int64 (value, filter->extra_data_span_buffers);
break;
case PROP_EXTRA_DATA_NAME:
g_value_set_string (value, filter->extra_data_name);
break;
case PROP_EXTRA_DATA_ARRAY:
g_value_set_string (value, filter->extra_data_str);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gchar *
get_qrcode_content (GstBaseQROverlay * base, GstVideoFrame * frame)
{
GstDebugQROverlay *filter = GST_DEBUG_QR_OVERLAY (base);
GstBuffer *buf = frame->buffer;
GString *res = g_string_new (NULL);
JsonGenerator *jgen;
gchar *framerate_string =
g_strdup_printf ("%d/%d", frame->info.fps_n, frame->info.fps_d);
JsonObject *jobj = json_object_new ();
JsonNode *root = json_node_new (JSON_NODE_OBJECT);
json_object_set_int_member (jobj, "TIMESTAMP",
(gint64) GST_BUFFER_TIMESTAMP (buf));
json_object_set_int_member (jobj, "BUFFERCOUNT",
(gint64) filter->frame_number);
json_object_set_string_member (jobj, "FRAMERATE", framerate_string);
json_object_set_string_member (jobj, "NAME", GST_ELEMENT_NAME (filter));
g_free (framerate_string);
if (filter->extra_data_array && filter->extra_data_name &&
(filter->frame_number == 1
|| filter->frame_number % filter->extra_data_interval_buffers == 1
|| (filter->span_frame > 0
&& filter->span_frame < filter->extra_data_span_buffers))) {
json_object_set_string_member (jobj, filter->extra_data_name,
filter->extra_data_array[filter->array_counter]);
filter->span_frame++;
if (filter->span_frame == filter->extra_data_span_buffers) {
filter->array_counter++;
filter->span_frame = 0;
if (filter->array_counter >= filter->array_size)
filter->array_counter = 0;
}
}
jgen = json_generator_new ();
json_node_set_object (root, jobj);
json_generator_set_root (jgen, root);
res = json_generator_to_gstring (jgen, res);
g_object_unref (jgen);
filter->frame_number++;
return g_strdup (g_string_free (res, FALSE));
}
#include "gstdebugqroverlay.h"
static gboolean
qroverlay_init (GstPlugin * qroverlay)
{
GST_DEBUG_CATEGORY_INIT (gst_debug_qr_overlay_debug, "debugqroverlay", 0,
GST_DEBUG_CATEGORY_INIT (gst_qr_overlay_debug, "qroverlay", 0,
"Qrcode overlay element");
return gst_element_register (qroverlay, "debugqroverlay", GST_RANK_NONE,
if (gst_element_register (qroverlay, "debugqroverlay", GST_RANK_NONE,
GST_TYPE_DEBUG_QR_OVERLAY))
return gst_element_register (qroverlay, "qroverlay", GST_RANK_NONE,
GST_TYPE_QR_OVERLAY);
return FALSE;
}
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,

10
ext/qroverlay/gstqroverlay.h
View file

@ -19,15 +19,15 @@
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_DEBUG_QR_OVERLAY_H__
#define __GST_DEBUG_QR_OVERLAY_H__
#ifndef __GST_QR_OVERLAY_H__
#define __GST_QR_OVERLAY_H__
#include "gstbaseqroverlay.h"
G_BEGIN_DECLS
#define GST_TYPE_QR_OVERLAY (gst_debug_qr_overlay_get_type())
#define GST_TYPE_QR_OVERLAY (gst_qr_overlay_get_type())
G_DECLARE_FINAL_TYPE (GstDebugQROverlay, gst_debug_qr_overlay, GST, DEBUG_QR_OVERLAY, GstBaseQROverlay);
G_DECLARE_FINAL_TYPE (GstQROverlay, gst_qr_overlay, GST, QR_OVERLAY, GstBaseQROverlay);
G_END_DECLS
#endif /* __GST_DEBUG_QR_OVERLAY_H__ */
#endif /* __GST_QR_OVERLAY_H__ */

2
ext/qroverlay/meson.build
View file

@ -1,7 +1,7 @@
qrencode_dep = dependency('libqrencode', required: get_option('qroverlay'))
json_dep = dependency('json-glib-1.0', fallback : ['json-glib', 'json_glib_dep'])
if qrencode_dep.found()
gstqroverlay = library('gstqroverlay', ['gstqroverlay.c', 'gstbaseqroverlay.c'],
gstqroverlay = library('gstqroverlay', ['gstqroverlay.c', 'gstdebugqroverlay.c', 'gstbaseqroverlay.c'],
c_args : gst_plugins_bad_args,
include_directories : [configinc],
dependencies : [gstvideo_dep, qrencode_dep, json_dep],